...The development of such surface treatment technology is also promoting the expansion of applications. When a mixture of aluminum powder and iron oxide Fe2O3 powder (thermit) is ignited, the aluminum is oxidized and the iron oxide is reduced to iron, and the high heat generated in this process is used for welding iron (thermit welding). This chemical activity of aluminum is also used in the thermite process, a metallurgical method in which oxides of chromium, manganese, vanadium, etc. are reduced to obtain metals. *Some of the terminology explanations that mention "thermit" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このような表面処理技術の発展も用途の拡大を促している。アルミニウム粉末と酸化鉄Fe2O3粉末の混合物(テルミットthermit)に点火するとアルミニウムが酸化され,酸化鉄は還元されて鉄になるが,この際に発する高熱は鉄の溶接(テルミット溶接)に利用される。アルミニウムのこの化学的活性は,クロム,マンガン,バナジウムなどの酸化物を還元して金属を得る冶金法(テルミット法)にも利用されている。… ※「thermit」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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